Question # 1

Which of the following pair of structure-function is mismatched

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Ribosomes, protein synthesis

Nucleolus, ribosomes production

Glogi, muscle contraction

Lysosome, intracellular digestion

Which is fluid feeder

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Sheep

Man

Earthworm

Aphid

Lungs are covered by double layered thin membranous sacs called.

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Pleura

Larynx

Air sacs

Diaphragm

The largest invertebrate animal is

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Cuttle fish

Octopus

Glant squid

Dhysalia

One cardiac cycle is completed in

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0-3 seconds

0-4 second

0-8 second

0-5 second

One of the following is not an accessory pigment.

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chlorophyll 'a'

Xanthophyll

Carotenes

Chlorophyll 'b'

Transpiration takes place through cuticle is about.

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5-7%

6-7%

5-6%

3-5%

Hepatic portal vein carries blood from

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Alimentary canal

Lungs

Liver

Kidney

The process in which the phage is called prophage is termed as.

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Induction

Deduction

Lysogany

Presentation

Tomoto belongs to family

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Rosaceae

Solanaceae

Poaceae

Fabaceae

Glyoxysomes are most abundant in

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Human blood

Plant seedings

Liver cells

Micro organisms

Anti thrombin III is a biotechnological produce produces in.

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sheep

Goat

Mice

Cow

Which one of the following is initiation codon.

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AUG

GUA

UGA

GAC

Study of aging is called

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Teratology

Gerontology

Cell biology

Paleontology

Photoperiodism was first studied by garner and allured in.

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1918

1920

1922

1924

Imprinting is best known in birds such as

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Geese

Ducks

Chickens

All a,b,and c

Nitrogen waste which is highly toxic and dissolves quickly in body fluids is.

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CO2

Urea

Ammonia

Uric Acid

Apoptosis is.

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Division of cells

Death of cells by tissue damage

suicide of cells

Weakness of cells

In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :

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Top

Bottom

Intermediate

Top & intermediate

Endosymbiont hypothesis was proposed by.

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Wallace

Lamarck

Lynn Margulis

Linnaeus

Fresh water flatworms excrete

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Very dilute urine

Very concentrated urine

Slightly concentrated

Moderately concentrated urine

The form of learning which involve a diminish of response to repeated stimuli

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Imprinting

Habituation

Insight learning

Large learning

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